/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineStatsInterface.h
A pair of a user and an array of their stats to be updated
typedef [FOnlineUserStatsPair](API\Plugins\OnlineSubsystem\Interfaces\FOnlineUserStatsPair)< [FOnlineStatUpdate](API\Plugins\OnlineSubsystem\Interfaces\FOnlineStatUpdate) > FOnlineStatsUserUpdatedStats